1.

Let \[S=\frac{4}{19}+\frac{44}{{{19}^{2}}}+\frac{444}{{{19}^{3}}}+...\]up to \[\infty \]. Then S is equal to

A. 40/9                 
B. 38/81
C. 36/171
D. none of these
Answer» C. 36/171


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